(b) In a sand casting experiment that was performed using Aluminium alloy, it took 180 seconds for a rectangular plate casting to solidify. The plate has a length of 100 mm, width of 80 mm and height of 10 mm. (i) Determine the value of the mold constant in Chvorinov's Rule.
(b) In a sand casting experiment that was performed using Aluminium alloy, it took 180 seconds for a rectangular plate casting to solidify. The plate has a length of 100 mm, width of 80 mm and height of 10 mm. (i) Determine the value of the mold constant in Chvorinov's Rule.
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Question
Manufacturing Processes
![(a) Describe the 'true centrifugal casting' process with a neat sketch.
(b) In a sand casting experiment that was performed using Aluminium alloy, it took 180
seconds for a rectangular plate casting to solidify. The plate has a length of 100 mm,
width of 80 mm and height of 10 mm.
(i) Determine the value of the mold constant in Chvorinov's Rule.
(ii) If the same alloy and mold type were used, find the total solidification time for
producing a hollow cylindrical casting with an outer diameter of 30 mm and height
of 50 mm. The core has a diameter of 20 mm.
(c) The following defects as shown in Figure Q1(c) were found from sand casting.
Review these defects and offer solutions to prevent these defects from occurring.
Sand
Mold
blow
Misrun
Mold
Mold
Figure Q1(c)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe584e83f-24c9-4c65-86f9-8d4de4cc7d83%2Fd79b2e11-89ba-48ab-832a-1145cfa6bd1a%2F39l5xgm_processed.jpeg&w=3840&q=75)
Transcribed Image Text:(a) Describe the 'true centrifugal casting' process with a neat sketch.
(b) In a sand casting experiment that was performed using Aluminium alloy, it took 180
seconds for a rectangular plate casting to solidify. The plate has a length of 100 mm,
width of 80 mm and height of 10 mm.
(i) Determine the value of the mold constant in Chvorinov's Rule.
(ii) If the same alloy and mold type were used, find the total solidification time for
producing a hollow cylindrical casting with an outer diameter of 30 mm and height
of 50 mm. The core has a diameter of 20 mm.
(c) The following defects as shown in Figure Q1(c) were found from sand casting.
Review these defects and offer solutions to prevent these defects from occurring.
Sand
Mold
blow
Misrun
Mold
Mold
Figure Q1(c)
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